CN109680616A - A liter construction method for equipment hoisting girder is held using deck unit erection gantry collaboration - Google Patents
A liter construction method for equipment hoisting girder is held using deck unit erection gantry collaboration Download PDFInfo
- Publication number
- CN109680616A CN109680616A CN201910019157.1A CN201910019157A CN109680616A CN 109680616 A CN109680616 A CN 109680616A CN 201910019157 A CN201910019157 A CN 201910019157A CN 109680616 A CN109680616 A CN 109680616A
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- China
- Prior art keywords
- girder
- deck unit
- unit erection
- erection gantry
- lifting device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses hold a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration, the following steps are included: Step 1: installing deck unit erection gantry and interim cord clip on cable, and the lifting device that will fall is mounted on girder, and girder is transported to the lower section of deck unit erection gantry；Step 2: the girder equipped with lifting device is connected with suspender on deck unit erection gantry decentralization suspender to the bridge floor of girder；Step 3: deck unit erection gantry promotes the bridge floor of girder to cable certain distance, the anchor support of lifting device is connect with interim cord clip, starts lifting device, deck unit erection gantry no longer stress, so that girder load is all gone to down on lifting device, the connection between deck unit erection gantry and girder is released；Step 4: deck unit erection gantry proceeds to the beam section of next lifting；Step 5: girder is promoted to design altitude using lifting device is fallen, and sunpender is installed.The present invention solves the problems, such as that design altitude is not achieved in deck unit erection gantry lifting girder.
Description
Technical field
The present invention relates to field of bridge construction.It is more particularly related to which a kind of held using deck unit erection gantry collaboration
Rise the construction method of equipment hoisting girder.
Background technique
Suspension bridge is one of the principal mode of large span bridge, is the important component in Bridges in Our Country construction, cable
Carry loop wheel machine construction due to its convenient and quick construction, stress performance is superior the advantages that be widely used in girder of suspension bridge erection work as
In.Suspension bridge is the bridge by hanging and being anchored in the cable of two sides as main supporting member, and sunpender is anchored on cable, will
Girder is hung, the requirement by bridge line style, load and king-tower limit for height etc., it may appear that girder bridge elevation is higher than in main push-towing rope
The beam section of heart elevation.Since deck unit erection gantry is mounted on main push-towing rope, girder bridge floor cannot be crossed and be promoted on main push-towing rope, is not achieved
The design altitude of girder cannot complete the construction task of girder.The construction method of complete set there is no to complete at present this kind of special
The lifting of beam section, thus need to design it is a kind of hold a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration, guarantee
Construction is gone on smoothly, it is ensured that the accuracy of girder of suspension bridge line style, the construction method have very strong practicability and apply valence
Value.
Summary of the invention
The purpose of the present invention is being higher than the special beam section of main push-towing rope center elevation for bridge elevation in suspension bridge construction, solve
Deck unit erection gantry cannot accurately complete the problem of main cable and girder, propose a kind of lifting master for cooperateing with lifting means using deck unit erection gantry
The construction method of beam solves the problems, such as that design altitude is not achieved in deck unit erection gantry lifting girder.
In order to realize these purposes and other advantages according to the present invention, provides to hold to rise using deck unit erection gantry collaboration and set
The construction method of standby lifting girder, comprising the following steps:
Step 1: installing deck unit erection gantry and interim cord clip on cable, and will lifting device be mounted on girder, it will
Girder transports the lower section of deck unit erection gantry；
Step 2: the girder equipped with lifting device is connected with suspender on deck unit erection gantry decentralization suspender to the bridge floor of girder
It picks up and；
Step 3: deck unit erection gantry promotes the bridge floor of girder to cable certain distance, by the anchor support of lifting device with
Interim cord clip connection, starts lifting device, deck unit erection gantry no longer stress, so that girder load all goes to down lifting device
On, release the connection between deck unit erection gantry and girder；
Step 4: deck unit erection gantry proceeds to the beam section of next lifting；
Step 5: girder is promoted to design altitude using lifting device is fallen, and sunpender is installed.
Preferably, in the step 4, the beam section for completing the installation of falling lifting device is transported to position to be installed
Side；
In the step 5, while girder is promoted to design altitude using lifting device, and sunpender is installed, to
After the beam section of installation repeats step 2~tri-, deck unit erection gantry proceeds to corresponding next lifting beam section, and is promoted to current beam section
To design altitude, and sunpender is installed, is so repeatedly performed the installation of whole beam sections.
Preferably, further includes: Step 6: decentralization is fallen on lifting device to cargo ship.
Preferably, the cable is the main push-towing rope of suspension bridge.
Preferably, girder two sides are respectively arranged two groups and fall lifting device.
Preferably, in the step 3, the distance that deck unit erection gantry promotes the bridge floor to 3~5 meters of cable of girder stops.
Preferably, lifting device includes lifting jack, steel strand wires and hydraulic station, and one end of the steel strand wires passes through
Lifting jack, the other end are arranged anchor support, are connect by anchor support with interim cord clip；The hydraulic station by oil pipe with
Lifting jack connection.
Preferably, the hydraulic pump of the lifting device in same beam section passes through control system control.
Preferably, one end of the steel strand wires holds rope device with steel strand wires and connect.
Preferably, further include bracket, be bolted with the bracket of girder, is arranged at intervals on the bracket more
A cushion block, the lifting device are set on cushion block.
The present invention is include at least the following beneficial effects: 1, solving deck unit erection gantry cannot accurately be installed to girder design height
The problem of journey, can complete the main cable and girder work of special beam section；2, the construction of girder can be lifted with traditional deck unit erection gantry
Method combines, and is constructed using existing construction equipment, and the research and development for not needing new equipment increase cost；3, easy for construction
Quickly and efficiently, after first girder completes lifting, the beam section construction for carrying out two sides can be synchronized, can significantly be shortened the construction period.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the schematic diagram of step 2 in 1 construction method of embodiment；
Fig. 2 is the elevation of step 3 in 1 construction method of embodiment；
Fig. 3 is the sectional view of step 3 in 1 construction method of embodiment；
Fig. 4 is the schematic diagram of step 4 in 1 construction method of embodiment；
Fig. 5 is the schematic diagram of step 5 in 1 construction method of embodiment；
Fig. 6 is the schematic diagram of step 2 in 2 construction method of embodiment；
Fig. 7 is the schematic diagram of step 4 in 2 construction method of embodiment；
Fig. 8 is the schematic diagram of step 5 in 2 construction method of embodiment.
1, deck unit erection gantry, 2, fall lifting means, 3, permanent cord clip, 4, interim cord clip, 5, suspender, 6, in across span centre segment with
Adjacent segment gooseneck, 7, main push-towing rope, 8, steel strand wires, 9, lifting jack, 10, lifting means.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", " vertical
To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
Embodiment 1 once lifts two segments, span centre+side standard paragraphs
Cooperate with the construction method of the lifting girder of lifting means 2 using deck unit erection gantry 1, comprising the following steps:
Step 1: two groups of deck unit erection gantries 1 and interim cord clip 4 are installed on main push-towing rope 7, across span centre segment and adjacent segment by
Gooseneck 6 is linked to be entirety, and respectively installs two groups in whole two sides and fall lifting device, and deck unit erection gantry 1 and interim cord clip 4 are in suspension cable
Vertical move upwardly without of bridge interferes.
Step 2: as shown in Figure 1, deck unit erection gantry 1 transfers suspender 5 across span centre segment and the company of adjacent segment gooseneck 6 in
On integral bridge floor, connected with suspender 5.
Step 3: as shown in figures 2-3, deck unit erection gantry 1 promotes the bridge floor of girder to cable certain distance, a liter dress will be held
The anchor support set is connect with interim cord clip 4, starts lifting device, the no longer stress of deck unit erection gantry 1, so that girder load is whole
It goes to down on lifting device, releases the connection between deck unit erection gantry 1 and beam section.
Step 4: as shown in figure 4, two groups of deck unit erection gantries 1 proceed to the design position of two sides standard segment to be installed respectively,
And the standard beam section for completing the installation of falling lifting device is transported to the lower section of position to be installed by two groups of cargo ships.
Step 5: as shown in figure 5, using falling what lifting device across span centre segment and adjacent segment gooseneck 6 by were linked to be
Whole beam section is promoted to design altitude, and in the permanent cord clip 3 on main push-towing rope 7 and installs sunpender between whole beam section；At the same time,
The standard beam section of its two sides, which repeats the above steps, completes installation.
In the above-described embodiments, deck unit erection gantry 1 cooperates with the construction method of the lifting of falling lifting device girder in girder of suspension bridge
There is very high application value in installation, it is smaller especially suitable for height difference between main push-towing rope 7 and girder top surface or main push-towing rope 7 is located at
The girder of suspension bridge installation below of girder top surface.Whole beam section after completing step 3, can standard beam section to its two sides into
Row lifting construction can synchronize progress, substantially reduce construction period.
Step 6: can transfer down on lifting device to cargo ship after the completion of the hanger erection of beam section, wait pacifying for other
Fill the installation of beam section.
Wherein, the highest distance that deck unit erection gantry 1 can be promoted to 1~2m of cable, then reserved 2~3m safe distance and
The adjustment distance of lifting means 2.Therefore in the step 3, deck unit erection gantry 1 promotes the bridge floor of girder to 3~5 meters of cable
Distance i.e. stop.
Lifting device includes lifting jack 9, steel strand wires 8 and hydraulic station, and one end of the steel strand wires 8, which passes through, promotes thousand
Jin top 9, anchor support is arranged in the other end, is connect by anchor support with interim cord clip 4；The hydraulic station is by oil pipe and is promoted
Jack 9 connects.When promotion, hydraulic station drives lifting jack 9, to realize the movement of steel strand wires 8, girder is driven to transport upwards
It is dynamic.
The hydraulic pump of lifting device in same beam section passes through control system control, makes to hold liter in same beam section
The steel strand wires 8 of device being capable of synchronizing moving.
The bracket of girder is bolted bracket, and multiple cushion blocks are arranged at intervals on the bracket, described to hold a liter dress
It sets and is fixed on cushion block.
Embodiment 2, span centre beam section two sides segment, then lift span centre
Cooperate with the construction method of the lifting girder of lifting means 2 using deck unit erection gantry 1, comprising the following steps:
Step 1: installing two groups of deck unit erection gantries 1 and interim cord clip 4 on main push-towing rope 7, two sides segment is installed and holds a liter dress
It sets.
Step 2: as shown in fig. 6, two groups of deck unit erection gantries 1 are transferred on suspenders 5 to the bridge floor of two sides segment, with suspender 5 by its
It connects.
Step 3: deck unit erection gantry 1 promotes the distance of two sides segment to 3~5 meters of cable, by the anchor support of lifting device
It is connect with interim cord clip 4, starts lifting device, the no longer stress of deck unit erection gantry 1, so that segment all goes to down lifting device
On, release the connection between deck unit erection gantry 1 and segment.
Step 4: as shown in fig. 7, two groups of deck unit erection gantries 1 are moved to setting for two sides standard segment to be installed to two sides respectively
Position is counted, and with the installation for completing remaining segment the step of embodiment 1.
Step 5: as shown in figure 8, pacifying while carrying out step 4 in the back for the two sides segment section being installed
Lifting means 10 is filled, span centre beam section is transported in place.
Step 6: span centre beam section is promoted in place, sunpender is installed and is temporarily connect with beam sections at two sides.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration, which comprises the following steps:
Step 1: installing deck unit erection gantry and interim cord clip on cable, and will lifting device it be mounted on girder, by girder
Transport the lower section of deck unit erection gantry；
Step 2: the girder equipped with lifting device is connected with suspender on deck unit erection gantry decentralization suspender to the bridge floor of girder
Come；
Step 3: deck unit erection gantry promotes the bridge floor of girder to cable certain distance, by the anchor support of lifting device and temporarily
Cord clip connection, lifting device, deck unit erection gantry no longer stress solve so that girder load is all gone to down on lifting device for starting
Except the connection between deck unit erection gantry and girder；
Step 4: deck unit erection gantry proceeds to the beam section of next lifting；
Step 5: girder is promoted to design altitude using lifting device is fallen, and sunpender is installed.
2. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as described in claim 1, feature exists
In, in the step 4, by complete the installation of falling lifting device beam section transport to the lower section of position to be installed；
It is to be installed while girder is promoted to design altitude using lifting device, and sunpender is installed in the step 5
Beam section repeat step 2~tri- after, deck unit erection gantry proceeds to corresponding next lifting beam section, and is promoted to and sets to current beam section
Elevation is counted, and sunpender is installed, is so repeatedly performed the installation of whole beam sections.
3. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as described in claim 1, feature exists
In, further includes: Step 6: decentralization is fallen on lifting device to cargo ship.
4. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as described in claim 1, feature exists
In the cable is the main push-towing rope of suspension bridge.
5. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as described in claim 1, feature exists
Respectively it is arranged two groups in, girder two sides and falls lifting device.
6. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as described in claim 1, feature exists
In in the step 3, the distance that deck unit erection gantry promotes the bridge floor to 3~5 meters of cable of girder stops.
7. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as described in claim 1, feature exists
In lifting device includes lifting jack, steel strand wires and hydraulic station, and one end of the steel strand wires passes through lifting jack, separately
Anchor support is arranged in one end, is connect by anchor support with interim cord clip；The hydraulic station is connected by oil pipe and lifting jack
It connects.
8. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as claimed in claim 7, feature exists
In the hydraulic pump of the lifting device in same beam section passes through control system control.
9. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as claimed in claim 7, feature exists
In one end of the steel strand wires holds rope device with steel strand wires and connect.
10. holding a liter construction method for equipment hoisting girder using deck unit erection gantry collaboration as claimed in claim 7, feature exists
In, further include bracket, be bolted with the bracket of girder, be arranged at intervals with multiple cushion blocks on the bracket, it is described fall
Lifting device is set on cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019157.1A CN109680616B (en) | 2019-01-09 | 2019-01-09 | Construction method for hoisting main beam by using cable crane and reverse lifting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019157.1A CN109680616B (en) | 2019-01-09 | 2019-01-09 | Construction method for hoisting main beam by using cable crane and reverse lifting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109680616A true CN109680616A (en) | 2019-04-26 |
| CN109680616B CN109680616B (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019157.1A Active CN109680616B (en) | 2019-01-09 | 2019-01-09 | Construction method for hoisting main beam by using cable crane and reverse lifting equipment |
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| CN (1) | CN109680616B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227206A (en) * | 2020-09-07 | 2021-01-15 | 中交二航局第二工程有限公司 | Process design and construction method for ground anchor to self-anchored beam |
| CN114108479A (en) * | 2021-12-01 | 2022-03-01 | 中交第二航务工程局有限公司 | Construction method for hoisting stiffening beam of large-tonnage suspension bridge by cooperation of multiple machines |
| CN114214941A (en) * | 2021-09-08 | 2022-03-22 | 中交武汉港湾工程设计研究院有限公司 | Reverse lifting equipment for mounting separated suspension bridge steel beam and construction method thereof |
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| JPH10317327A (en) * | 1997-05-23 | 1998-12-02 | Nkk Corp | Erection method for bridge and structure for bridge |
| CN201292509Y (en) * | 2008-09-18 | 2009-08-19 | 湖南路桥建设集团公司 | Suspension bridge main girder construction segment conveying facilities |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227206A (en) * | 2020-09-07 | 2021-01-15 | 中交二航局第二工程有限公司 | Process design and construction method for ground anchor to self-anchored beam |
| CN114214941A (en) * | 2021-09-08 | 2022-03-22 | 中交武汉港湾工程设计研究院有限公司 | Reverse lifting equipment for mounting separated suspension bridge steel beam and construction method thereof |
| CN114214941B (en) * | 2021-09-08 | 2024-03-26 | 中交武汉港湾工程设计研究院有限公司 | Inverted lifting equipment for installing steel girder of separated suspension bridge and construction method thereof |
| CN114108479A (en) * | 2021-12-01 | 2022-03-01 | 中交第二航务工程局有限公司 | Construction method for hoisting stiffening beam of large-tonnage suspension bridge by cooperation of multiple machines |
| CN114108479B (en) * | 2021-12-01 | 2023-04-25 | 中交第二航务工程局有限公司 | Construction method for multi-machine collaborative hoisting of stiffening beam of large-tonnage suspension bridge |
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| CN109680616B (en) | 2021-04-30 |
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Effective date of registration: 20220208 Address after: 430048 No. 11 Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Patentee after: CCCC SECOND HARBOR ENGINEERING Co.,Ltd. Patentee after: CCCC Wuhan harbor engineering design and Research Institute Co., Ltd Address before: 430048 No. 11 Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Patentee before: CCCC SECOND HARBOR ENGINEERING Co.,Ltd. |